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Monthly climate in Bontang, East Kalimantan, Indonesia

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bontang features a tropical rainforest climate (Af).Temperatures typically range between 27 °C (80 °F) and 27 °C (82 °F) through the year, but rarely can drop to 23 °C (74 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 2489 mm (98.0 inches) and receives 307 rainy days on the 1 mm (0.04 inches) threshold annually.Bontang enjoys an average of 3394 hours of sunshine throughout the year, and daylight varies from 12 hours 6 minutes to 12 hours 7 minutes per day.

Monthly average temperatures in Bontang, East Kalimantan, Indonesia §

The warmest months in Bontang are May, October and November, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and July, when daily mean temperatures range from 27 to 27 °C (80 - 81 °F) throughout the day. On average each year, Bontang experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bontang, East Kalimantan, Indonesia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 32°C
(90°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(88°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(89°F)		 32°C
(89°F)		 31°C
(88°F)		 32°C
(89°F)
Mean maximum 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(87°F)		 31°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)		 31°C
(88°F)
Average high 29°C
(85°F)		 29°C
(85°F)		 30°C
(85°F)		 30°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(85°F)		 29°C
(85°F)
Daily mean 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)
Average low 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)
Mean minimum 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)
Minimum 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)

Compare climate in Bontang with other places

Compare temperature, precipitation, sunshine, UV index in Bontang, East Kalimantan, Indonesia with other places around the world.

Monthly average precipitation in Bontang, East Kalimantan, Indonesia §

Bontang usually has the most precipitation in March, November and December, with an average of 27 rainy days and 248 mm (9.8 inches) of precipitation per month.The driest months in Bontang are February, August and September. On average, 169 mm (6.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bontang, East Kalimantan, Indonesia.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 193 (7.6) 184 (7.2) 233 (9.2) 222 (8.8) 221 (8.7) 215 (8.5) 186 (7.3) 160 (6.3) 163 (6.4) 200 (7.9) 239 (9.4) 272 (10.7)
Average precipitation days (≥ 1 mm) 23 23 26 27 28 26 25 24 22 27 27 29

Monthly sunshine hours in Bontang, East Kalimantan, Indonesia §

The sunniest months in Bontang are May, July and August, when the sun shines an average of 9 hours 39 minutes a day.Least sunny months in Bontang: January, February and November receive an average of 8 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bontang, East Kalimantan, Indonesia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 233 267 294 281 295 283 298 303 286 291 277 282
Mean daily daylight hours 12h 6m 12h 6m 12h 6m 12h 6m 12h 6m 12h 7m 12h 6m 12h 6m 12h 6m 12h 6m 12h 6m 12h 6m

Solar UV radiation in Bontang, East Kalimantan, Indonesia §

Bontang experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 15 - 17, which corresponds to the Extreme category of sun exposure.June, July and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Bontang UV Index data.

Average daily maximum UV levels by month for Bontang, East Kalimantan, Indonesia.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 14 16 17 15 14 12 13 14 14 15 14 13